Butt Knot 

A piece of ass-skin resembling the tied end of a balloon or piece of popcorn chicken located within the assholes perimeter.

Janet's butt knot was in full view while she got pounded doggy-style by Jack. Chrissy liked the looks of the butt knot and proceeded to bite it gently.

Butt Knot by Caliman April 23, 2003

Butt Knot 

Stage fright for homosexual actors

" I was doin fine until I had an attack of Butt Knot"

Butt Knot by Baz February 21, 2004